var userAgent = {};

var ua = window.navigator.userAgent.toLowerCase();
userAgent.isWeiXinOrQQ = ua.match(/MicroMessenger/i) == 'micromessenger' || ua.match(/\sqq/i);
userAgent.isWeiXin = ua.match(/MicroMessenger/i) == 'micromessenger';
userAgent.isWeiXinXCHX = false;
userAgent.isIOS = ua.match(/os/i);
userAgent.iOSVersion = getIOSVersion();
userAgent.isAndroid = ua.indexOf('android') > -1;
userAgent.androidVersion = getAndroidVersion();
userAgent.isMobile = ua.match(/mobile/i);
userAgent.isAlipay = ua.match(/AlipayClient/i) == 'alipayclient';
userAgent.isAlipayXCHX = false;
userAgent.isOneKit = ua.indexOf('okjsbridge') > -1;

function getIOSVersion() {
  var version = null;
  if (userAgent.isIOS) {
      var regStr_saf = /os [\d._]*/gi;
      var verinfo = ua.match(regStr_saf);
      version = parseInt((verinfo + "").replace(/[^0-9|_.]/ig, "").replace(/_/ig, "."));
  }
  return version;
}

function getAndroidVersion() {
  var version = null;
  if (userAgent.isAndroid) {
      var reg = /android [\d._]+/gi;
      var v_info = ua.match(reg);
      version = (v_info + "").replace(/[^0-9|_.]/ig, "").replace(/_/ig, "."); //得到版本号4.2.2
      version = parseInt(version.split('.')[0]); // 得到版本号第一位
  }
  return version;
}

function weixinJSBridgeReady() {
  userAgent.isWeiXinXCHX = window.__wxjs_environment === 'miniprogram';
}
if (!window.WeixinJSBridge || !window.WeixinJSBridge.invoke) {
  document.addEventListener('WeixinJSBridgeReady', weixinJSBridgeReady, false)
} else {
  weixinJSBridgeReady()
}

if (userAgent.isAlipay && window.my) {
  window.my.getEnv(function(res) {
      var result = JSON.parse(JSON.stringify(res).toLowerCase()).miniprogram;
      if (result) {
          userAgent.isAlipayXCHX = true;
      }
  });
}

export default userAgent;